/**
* Use hyperlink detectors to find a text viewer's hyperlinks and return the style ranges to
* render them.
*
* @param textViewer
* @param hyperlinkDetectors
* @return the style ranges to render the detected hyperlinks
*/
public static StyleRange[] getHyperlinkDetectorStyleRanges(
ITextViewer textViewer, IHyperlinkDetector[] hyperlinkDetectors) {
List<StyleRange> styleRangeList = new ArrayList<StyleRange>();
if (hyperlinkDetectors != null && hyperlinkDetectors.length > 0) {
for (int i = 0; i < textViewer.getTextWidget().getText().length(); i++) {
IRegion region = new Region(i, 0);
for (IHyperlinkDetector hyperLinkDetector : hyperlinkDetectors) {
IHyperlink[] hyperlinks = hyperLinkDetector.detectHyperlinks(textViewer, region, true);
if (hyperlinks != null) {
for (IHyperlink hyperlink : hyperlinks) {
StyleRange hyperlinkStyleRange =
new StyleRange(
hyperlink.getHyperlinkRegion().getOffset(),
hyperlink.getHyperlinkRegion().getLength(),
Display.getDefault().getSystemColor(SWT.COLOR_BLUE),
Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
hyperlinkStyleRange.underline = true;
styleRangeList.add(hyperlinkStyleRange);
}
}
}
}
}
StyleRange[] styleRangeArray = new StyleRange[styleRangeList.size()];
styleRangeList.toArray(styleRangeArray);
return styleRangeArray;
}
private static Optional<IHyperlink> detect(
final ITextViewer viewer, final IRegion hyperlinkRegion, final IHyperlinkDetector detector) {
final IHyperlink[] hyperlinks = detector.detectHyperlinks(viewer, hyperlinkRegion, false);
if (hyperlinks != null && hyperlinks.length > 0) {
return Optional.of(hyperlinks[0]);
}
return Optional.absent();
}